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The emergency bilge suction valve is typically used （）.

单选题
2022-01-02 07:34
A、to inject cleaning additives when the bilges are extremely dirty
B、when the main condenser becomes fouled, in order to provide additional cooling water circulation
C、to connect the rose box to the independent bilge suction
D、if the bilges become flooded and they can not be emptied by any other mea
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正确答案
D
试题解析
标签： 船舶辅助机械
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